m7spr: Switch back to HTCQualcommRIL class

Until M7CDMA class is merged

Change-Id: I6e7cd0d811f9bf2a6469954c5c9437272c823b44
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_htc_m7spr into cd-4.4